%0 Journal Article
%A A. I. Stepanets
%T The approximation of continuous periodic functions of two variables by Faward sums
%J Matematičeskie zametki
%D 1973
%P 655-666
%V 13
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1973_13_5_a3/
%G ru
%F MZM_1973_13_5_a3